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<h2>Aortic Root Z-Scores</h2>
        <p class="span-14 last">
            Z-scores of the aortic root at the level of the aortic annulus, sinuses of Valsalva,
            sinotubular junction, and ascending aorta. Measurements are from the parasternal
            long axis: aortic annulus measured in <i><b>systole</b></i> at the hinge points of the leaflets;
            sinuses, sinotubular junction and ascending aorta are measured in <i><b>diastole</b></i> using
            <i><b>leading-edge to leading-edge technique</b></i>. Data is from 353 normal children as reported
            by investigators at Hôpital Bichat, Paris, France.
        </p>
    <form action="" method="">
    <table class="zTable" summary="Z-Scores of Cardiac Structures">
    <tr>
    <td class="label"><label for="txtHT">Height (cm):</label></td>

    <td><input id="txtHT" type="text" onchange="CalculateZScores()" title="cm" /></td>
    </tr>

    <tr>
    <td class="label"><label for="txtWT">Weight (kg):</label></td>

    <td><input id="txtWT" type="text" onchange="CalculateZScores()" title="kg" /></td>
    </tr>
    <tr>
    <td class="label"><label for="cmbBSA">BSA formula:</label></td>

    <td><select id="cmbBSA" onchange="CalculateZScores()">
    <option value="Boyd">
    Boyd
    </option>

    <option value="DuBois" selected="selected">
    DuBois
    </option>

    <option value="Gehan">
    Gehan &amp; George
    </option>

    <option value="Haycock">
    Haycock
    </option>

    <option value="Mosteller">
    Mosteller
    </option>

    <option value="Dreyer">
    Weight ONLY
    </option>
    </select></td>

    <td id="BSA" colspan="3"></td>
    </tr>
    <tr>
    <td class="label"><label for="cmbGender">Gender:</label></td>

    <td><select id="cmbGender" onchange="CalculateZScores()">
    <option value="girls" selected="selected">Female</option>
    <option value="boys">Male</option>
    </select></td>
    </tr>

    <tr>
    <td id="info" colspan="2">&nbsp;</td>
    </tr>

    <tr>
    <th>Site</th>

    <th>Measured (mm)</th>

    <th>Mean</th>

    <th>ULN</th>

    <th>Z-Score</th>

    </tr>

    <tr>
    <td class="label"><label for="txtAVA">Aortic Annulus:</label></td>

    <td><input id="txtAVA" type="text" class="site" 
            onchange="updateSite('AVA', this.value)" 
            title="measured in SYSTOLE at leaflet hinge points" /></td>

    <td id="AVAMean" class="results">&nbsp;</td>

    <td id="AVAULN" class="results">&nbsp;</td>

    <td id="AVAZ" class="results">&nbsp;</td>

    </tr>

    <tr>
    <td class="label"><label for="txtSinuses">Sinuses:</label></td>

    <td><input id="txtSinuses" type="text" class="site" 
            onchange="updateSite('Sinuses', this.value)" 
            title="measured in DIASTOLE from leading edge to leading edge" /></td>

    <td id="SinusesMean" class="results">&nbsp;</td>

    <td id="SinusesULN" class="results">&nbsp;</td>

    <td id="SinusesZ" class="results">&nbsp;</td>

    </tr>

    <tr>
    <td class="label"><label for="txtSTJ">ST Junction:</label></td>

    <td><input id="txtSTJ" type="text" class="site" 
            onchange="updateSite('STJ', this.value)" 
            title="measured in DIASTOLE from leading edge to leading edge" /></td>

    <td id="STJMean" class="results">&nbsp;</td>

    <td id="STJULN" class="results">&nbsp;</td>

    <td id="STJZ" class="results">&nbsp;</td>

    </tr>

    <tr>
    <td class="label"><label for="txtTransv">Ascending Aorta:</label></td>

    <td><input id="txtAAO" type="text" class="site" 
            onchange="updateSite('AAO', this.value)" 
            title="measured in DIASTOLE from leading edge to leading edge" /></td>

    <td id="AAOMean" class="results">&nbsp;</td>

    <td id="AAOULN" class="results">&nbsp;</td>

    <td id="AAOZ" class="results">&nbsp;</td>

    </tr>

    <tr>
    <td>&nbsp;</td>

    <td><input id="btnCalculateZ" type="button" value="Update" onclick="CalculateZScores()"
    class="button" /></td>
        <td>
            <input id="Reset1" type="reset" value="reset" onclick="resetForm()" /></td>
    </tr>
    </table>
    </form>
<div id="references" class="references">
<h3>References:</h3>
    <p class="span-14 last">
        <span class="title"><a href="http://www.ncbi.nlm.nih.gov/pubmed/20211339">Nomograms
            for Aortic Root Diameters in Children Using Two-Dimensional Echocardiography.</a></span>
            <span class="authors">Gautier M, Detaint D, Fermanian C, Aegerter P, Delorme G, Arnoult
                F, Milleron O, Raoux F, Stheneur C, Boileau C, Vahanian A, Jondeau G.</span>
        <span class="journal">Am J Cardiol. 2010 Mar 15;105(6):888-894.</span>
    </p>
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